package reflect;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

public class ReflectDemo5 {
    public static void main(String[] args) throws Exception {
        Class cls  = Class.forName("reflect.Person");
        Constructor c = cls.getConstructor(String.class);
        Object obj = c.newInstance("sjh");

        Method method = cls.getMethod("say",String.class);
        method.invoke(obj,"你好~");

        Method method1 = cls.getMethod("say",String.class,int.class);
        method1.invoke(obj,"你好~",100);
    }
}
